This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Set the toolchain for EZHV

To set the toolchain for EZHV, perform the following steps:

Download and install the RISCV LLVM toolchain.
Add a system environment variable RISCVLLVM_DIR, and set the value to the RISCV LLVM install path.
- For Linux or Mac, run the command:
```
export RISCVLLVM_DIR=<your_risc_llvm_install_path>
```
- For Windows, as shown in Set the toolchain for EZHV, perform the following steps:
  1. Click Windows Start -> Settings.
  2. Search and open Edit environment variable for your account
  3. Create a new variable.
Download Ninja from this link. Add the path ninja executable to system environmental variable PATH. When it finishes, run the ninja – version in command line to verify the installation. The result looks like:
```
$ ninja --version
1.10.1
```
Download and install CMake.

Parent topic:Build and run the ezhv_examples